121-3X=15X+15

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Solution for 121-3X=15X+15 equation:


Simplifying
121 + -3X = 15X + 15

Reorder the terms:
121 + -3X = 15 + 15X

Solving
121 + -3X = 15 + 15X

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-15X' to each side of the equation.
121 + -3X + -15X = 15 + 15X + -15X

Combine like terms: -3X + -15X = -18X
121 + -18X = 15 + 15X + -15X

Combine like terms: 15X + -15X = 0
121 + -18X = 15 + 0
121 + -18X = 15

Add '-121' to each side of the equation.
121 + -121 + -18X = 15 + -121

Combine like terms: 121 + -121 = 0
0 + -18X = 15 + -121
-18X = 15 + -121

Combine like terms: 15 + -121 = -106
-18X = -106

Divide each side by '-18'.
X = 5.888888889

Simplifying
X = 5.888888889

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